<!DOCTYPE html>
<html>
<head lang="ch">
    <meta charset="UTF-8">
    <meta name=”viewport” content="width=device-width, user-scalable=no, initial-scale=1.0">
    <title></title>
    <style>
        body, html{
            padding: 0;
            margin: 0;
        }
 
        body, html {
            height: 100%;
            overflow: hidden;
        }
 
        #container, .section {
            height: 100%;
        }
 
        .section {
            background-color: #000;
            background-size: cover;
            background-position: 50% 50%;
        }
 
        #section0 {
            background-color: #83af9b;
        }
 
        #section1 {
            background-color: #764d39;
        }
 
        #section2 {
            background-color: #ff9000;
        }
 
        #section3 {
            background-color: #380d31;
        }
 
    </style>
</head>
<body>
<div id="container">
    <div class="section" id="section0"></div>
    <div class="section" id="section1"></div>
    <div class="section" id="section2"></div>
    <div class="section" id="section3"></div>
</div>
 
<script src="http://code.jquery.com/jquery-latest.js"></script>
<script>
    var curIndex = 0;
    var container = $("#container");
    var sumCount = $(".section").length;
    var $window = $(window);
    var duration = 500;
    //时间控制
    var aniTime = 0;
 
    var scrollFunc = function (e) {
        //如果动画还没执行完，则return
        if(new Date().getTime() < aniTime + duration){
            return;
        }
        e = e || window.event;
        var t = 0;
        if (e.wheelDelta) {//IE/Opera/Chrome
            t = e.wheelDelta;
            if (t > 0 && curIndex > 0) {
                //上滚动
                movePrev();
            } else if (t < 0 && curIndex < sumCount - 1) {
                //下滚动
                moveNext();
            }
        } else if (e.detail) {//Firefox
            t = e.detail;
            if (t < 0 && curIndex > 0) {
                //上滚动
                movePrev();
            } else if (t > 0 && curIndex < sumCount - 1) {
                //下滚动
                moveNext();
            }
        }
    };
 
    function moveNext(){
        //获取动画开始时的时间
        aniTime = new Date().getTime();
        container.css("transform", "translate3D(0, -" + (++curIndex) * $window.height() + "px, 0)");
    }
 
    function movePrev(){
        //获取动画开始时的时间
        aniTime = new Date().getTime();
        container.css("transform", "translate3D(0, -" + (--curIndex) * $window.height() + "px, 0)");
    }
 
    function init(){
        /*注册事件*/
        if (document.addEventListener) {
            document.addEventListener('DOMMouseScroll', scrollFunc, false);
        }//W3C
        window.onmousewheel = document.onmousewheel = scrollFunc;//IE/Opera/Chrome
 
        container.css({
            "transition": "all 0.5s",
            "-moz-transition": "all 0.5s",
            "-webkit-transition": "all 0.5s"
        });
    }
 
    init();
</script>
</body>
</html>
